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6
E85 Power Supply and Bus Systems
Ground Points
Ground point in left and right hand drive vehicles
Ground points in left hand drive vehicles
Ground point in right hand drive vehicles
Alternator
Depending on country and equipment the vehicle is equipped with different output
alternators.
Battery charging voltage varies according to ambient temperature. At lower temperatures,
the battery is less susceptible to boiling over and can be charged at higher voltages. At
high temperature the charging voltage is reduced to prevent loss of the battery electrolyte
through evaporation.
The DME controls the output rate of the alternator.
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E85 Power Supply and Bus Systems
Jumper Cable Point
The Jumper Cable Point is located in the engine compartment on the left side at the fire-
wall. The jumper cable point is the junction for the Monitored B+ cable and the alternator
and starter.
B+ Jumper Point (under hood)
Cable Routing on bulkhead
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E85 Power Supply and Bus Systems
Bus Systems
The bus system of the E85 is based on the E46. The E85 uses the K-Bus, PT CAN and
the D-Bus of the E46. These busses have been modified to accommodate additional
components and systems. In addition to these bus systems, the byteflight bus has been
carried over from the E65. The byteflight bus is a fiber optic bus used for the ASE
system.
K-BUS
IHKA/
GM5 EWS III RADIO CID LWS
SBSL SBSR
IHKS
RLS PDC CDC NAV SIM
EPS
SZM CVM HIFI STVL STVR
DSC
byteflight
SM LSZ TEL
DME
PT-CAN
EGS/
SMG
OBD II
D-BUS
Index Explanation Index Explanation
IHKA Automatic Integrated Heating and A/C SIM Safety and Information Module
IHKS Integrated Heating and A/C Control SBSL Satellite, b-pillar left
GM5 General Module V SBSR Satellite, b-pillar left
RLS Rain and Light Sensor STVL Satellite, Door Left
SZM Center Console Switch Center STVR Satellite, Door Right
SM Seat Memory (module) LWS Steering Angle Sensor
EWSIII Electronic Driveaway Protection EPS Electric Power Steering
PDC Park Distance Control DSC Dynamic Stability Control
CVM Convertible Top Module DME Digital Motor Electronics (ECM)
LSZ Light Switch Center EGS Electronic Transmission Control (TCM)
Radio Radio SMG Sequential Manual Gearbox
CDC CD Changer IKE Instrument Cluster Electronics
HiFi Hi Fi Amplifier PT-CAN Powertrain CAN
CID Central Information Display D-Bus Diagnosis Bus
NAV Navigation Computer K-Bus Body Bus
TEL Telematics Control Unit (also TCU) OBD II On Board Diagnostics
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E85 Power Supply and Bus Systems [ Pobierz całość w formacie PDF ]